Replaced some callbacks with commend SuccessCallback and ErrorCallback

BUG: 24267885
Change-Id: Id2f928d3571ad620ddeef6e98dbc06d8ade514fe
Reviewed-on: https://weave-review.googlesource.com/1157
Reviewed-by: Vitaly Buka <vitalybuka@google.com>
10 files changed
tree: ed605d8b424e5a5eb58dd99a327bcb8fff83b09b
  1. libweave/